M17 2003.5.1 Fuji FinePixS2Pro ,Takahashi MT-160+Reducer D=160mm f.l=768mm EM-200 Exp.5min×6Frame M13 2003.4.28 SBIG ST7E ,VISAC Semi-RC Optics D=200mm f.l=1800mm L=3min×4Frame R=3min×2,G=3min×2,B=5min×2